text: // Copyright 2017 The Abseil Authors.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //      https://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  #ifndef ABSL_BASE_INTERNAL_PRETTY_FUNCTION_H_
  #define ABSL_BASE_INTERNAL_PRETTY_FUNCTION_H_
  
  // ABSL_PRETTY_FUNCTION
  //
  // In C++11, __func__ gives the undecorated name of the current function.  That
  // is, "main", not "int main()".  Various compilers give extra macros to get the
  // decorated function name, including return type and arguments, to
  // differentiate between overload sets.  ABSL_PRETTY_FUNCTION is a portable
  // version of these macros which forwards to the correct macro on each compiler.
  #if defined(_MSC_VER)
  #define ABSL_PRETTY_FUNCTION __FUNCSIG__
  #elif defined(__GNUC__)
  #define ABSL_PRETTY_FUNCTION __PRETTY_FUNCTION__
  #else
  #error "Unsupported compiler"
  #endif
  
  #endif  // ABSL_BASE_INTERNAL_PRETTY_FUNCTION_H_
  